Ep. 683: Cosmic Dawn
Astronomy Cast
00:00
The Dark Ages of the Universe
What comes next is the dark ages of the universe, which we know almost nothing because it was dark. The galaxies gases were neutral hanging out being a giant cloud essentially with a few places that were slightly more dense and dark matter. And luckily there was enough structure in this cloud of material that was the entirety of our universe so the places that had a little more stuff sucked in even more stuff with gravity. So they're going, Hi, I can hold on to nothing. And they got emptier. It's been two hours talking about the CMB. But we are not going to focus. We picked a topic. We're going to get to it.
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